Time display system, driving system, electrically assisted vehicle, battery pack, time display method, and computer program

Abstract

A time display system for an electrically assisted vehicle includes a display and at least one processor configured or programmed to acquire time information representing information on a time that is output by a battery pack that supplies electric power to an electric motor that generates drive power to cause the electrically assisted vehicle to travel, and to cause the display to display a current time based on the time information.

What is claimed is: 
     
         1 . A time display system for an electrically assisted vehicle, the time display system comprising:
 a display; and   at least one processor configured or programmed to:
 acquire time information representing information on a time that is output by a battery pack that supplies electric power to an electric motor that generates drive power to cause the electrically assisted vehicle to travel; and 
 cause the display to display a current time based on the time information. 
   
     
     
         2 . The time display system of  claim 1 , wherein the time information output by the battery pack represents current time. 
     
     
         3 . The time display system of  claim 2 , wherein
 the at least one processor is configured or programmed to:
 acquire current time information representing the current time based on a current time setting operation performed by a user on the display; and 
 output the current time information to the battery pack; and 
   a processor of the battery pack is configured or programmed to set the current time based on the current time information output by the at least one processor.   
     
     
         4 . The time display system of  claim 2 , wherein
 the at least one processor is configured or programmed to:
 acquire current time information representing the current time based on a current time setting operation performed by a user on the display; and 
 output the current time information to the battery pack; and 
   a processor of the battery pack is configured or programmed to reset the current time to be calculated based on the current time information output by the at least one processor.   
     
     
         5 . The time display system of  claim 1 , wherein
 the time information output by the battery pack represents a first value of time that is not current time; and   the at least one processor is configured or programmed to calculate the current time based on the first value and a second value that converts the first value into the current time.   
     
     
         6 . The time display system of  claim 5 , wherein the time information output by the battery pack represents the second value. 
     
     
         7 . The time display system of  claim 5 , further comprising:
 a storage to store information representing the second value; wherein   the at least one processor is configured or programmed to read the information from the storage and calculate the current time based on the information representing the second value.   
     
     
         8 . The time display system of  claim 5 , further comprising:
 a storage to store table information representing a relationship between individual information of the battery pack and the second value; wherein   the at least one processor is configured or programmed to:
 acquire the individual information output by the battery pack; and 
 acquire the second value to be used to calculate the current time based on the individual information and the table information. 
   
     
     
         9 . The time display system of  claim 5 , wherein the first value is a counted value acquired by a processor of the battery pack and representing time counted by the processor. 
     
     
         10 . The time display system of  claim 5 , wherein the second value is an offset value. 
     
     
         11 . The time display system of  claim 6 , further comprising:
 a processor of the battery pack configured or programmed to output information representing the first value to the at least one processor; wherein   the at least one processor is configured or programmed to:
 acquire current time information representing the current time based on a current time setting operation performed by a user on the display; 
 calculate the second value based on the acquired current time information and the first value acquired from the battery pack; and 
 output information representing the calculated second value to the battery pack; and 
   the processor of the battery pack is configured or programmed to acquire the information from the at least one processor and set the second value to be used to calculate current time based on the information representing the second value.   
     
     
         12 . The time display system of  claim 6 , further comprising:
 a processor of the battery pack configured or programmed to output information representing the first value to the at least one processor; wherein   the at least one processor is configured or programmed to:
 acquire current time information representing the current time based on a current time setting operation performed by a user on the display; 
 calculate the second value based on the current time information and the first value acquired from the battery pack; and 
 output information representing the calculated second value to the battery pack; and 
   the processor of the battery pack is configured or programmed to reset the second value to be used to calculate current time to the second value acquired from the at least one processor.   
     
     
         13 . The time display system of  claim 1 , wherein in a case where the time information cannot be acquired from the battery pack, the at least one processor is configured or programmed to not cause the display to display any current time. 
     
     
         14 . The time display system of  claim 2 , wherein
 the battery pack is able to be charged by a charger;   a processor of the charger is configured or programmed to output current time information representing the current time to the battery pack; and   the processor of the battery pack is configured or programmed to set the current time based on the current time information output by the charger.   
     
     
         15 . The time display system of  claim 2 , wherein
 the battery pack is able to charged by a charger;   a processor of the charger is configured or programmed to output current time information representing the current time to the battery pack; and   the processor of the battery pack is configured or programmed to reset the current time to be calculated based on the current time information output by the charger.   
     
     
         16 . The time display system of  claim 6 , wherein
 the battery pack is able to be charged by a charger;   a processor of the battery pack is configured or programmed to output information representing the first value to the charger;   a processor of the charger is configured or programmed to:
 calculate the second value based on the current time and the first value acquired from the battery pack; and 
 output information representing the calculated second value to the battery pack; and 
   the processor of the battery pack is configured or programmed to reset the second value to be used to calculate current time to the second value acquired from the charger.   
     
     
         17 . The time display system of  claim 2 , wherein
 the at least one processor is configured or programmed to:
 acquire current time information representing the current time from an external device; and 
 output the current time information to the battery pack; and 
   a processor of the battery pack is configured or programmed to reset the current time to be calculated based on the current time information output by the at least one processor.   
     
     
         18 . The time display system of  claim 6 , further comprising:
 a processor of the battery pack is configured or programmed to output information representing the first value to the at least one processor; wherein   the at least one processor is configured or programmed to:
 acquire current time information representing the current time from an external device; 
 calculate the second value based on the current time information acquired from the external device and the first value acquired from the battery pack; and 
 output the calculated second value to the battery pack; and 
   the processor of the battery pack is configured or programmed to reset the second value to be used to calculate current time to the second value acquired from the at least one processor.   
     
     
         19 . The time display system of  claim 2 , further comprising:
 a processor of the battery pack configured or programmed to:
 acquire current time information representing the current time from an external device; and 
 reset the current time to be calculated based on the current time information acquired from the external device. 
   
     
     
         20 . The time display system of  claim 6 , further comprising:
 a processor of the battery pack configured or programmed to output the first value to an external device;   a processor of the external device configured or programmed to:
 calculate the second value based on the current time and the first value output by the battery pack; and 
 output the second value to the battery pack; and 
   the processor of the battery pack is configured or programmed to reset the second value to be used to calculate current time to the second value output by the external device.   
     
     
         21 . The time display system of  claim 1 , wherein
 a plurality of battery packs are mounted on the electrically assisted vehicle; and   the at least one processor is configured or programmed to acquire the time information from one of the plurality of battery packs.   
     
     
         22 . The time display system of  claim 1 , wherein
 a plurality of battery packs are mounted on the electrically assisted vehicle; and   in a case where the plurality of battery packs include a battery pack in which current time is set and a battery pack in which no current time is set, a processor of the battery pack in which no current time is set is configured or programmed to:
 acquire current time information representing the current time from a processor of the battery pack in which the current time is set; and 
 set the current time based on the current time information. 
   
     
     
         23 . The time display system of  claim 1 , wherein
 a plurality of battery packs are mounted on the electrically assisted vehicle; and   in a case where the plurality of battery packs include a battery pack in which current time is set and a battery pack in which no current time is set, the at least one processor is configured or programmed to:
 acquire current time information representing the current time from a processor of the battery pack in which the current time is set; and 
 output the current time information to a processor of the battery pack in which no current time is set; and 
   the processor of the battery pack in which no current time is set is configured or programmed to set the current time based on the current time information.   
     
     
         24 . A time display method for causing a display of an electrically assisted vehicle to display current time, the time display method being executable by at least one computer and comprising:
 acquiring time information representing information on time that is output by a battery pack that supplies electric power to an electric motor that generates drive power to cause the electrically assisted vehicle to travel; and   causing the display to display current time based on the time information.   
     
     
         25 . A battery pack to supply electric power to an electric motor of an electrically assisted vehicle, the battery pack comprising:
 a plurality of battery cells; and   a processor configured or programmed to calculate current time; wherein   the processor is configured or programmed to output time information representing the current time to a processor configured or programmed to control a display of the electrically assisted vehicle.